His true powers.

Sonic felt like his friends pick on him for no reason. They bullied him and they made fun of him for no reason at all. After what he did for them. He felt so heartbroken. But after that day that he was picked on one last time as he felt depressed...but when one of his old friends from childhood cheers him up and gets hit by a car something happened. Sonic unleashed his true powers that can cause him to shine, give life, and to KILL. His brothers were able to help him and learn how to control his powers. When they started to feel guilty it was too late. His older brother Manic and his younger brother T.K.